those five cubans were arrested in the u.s. in 1998. the castro government admits they were spying, but refers to them as heros. >>> anti-apartheid icon nelson mandella has been admit today a hospital in south africa. mandella is undergoing tests and there is no cause for alarm. in a statement they said the former south african president is doing well. he does receive medical treatment from time to time which is fairly consistent with a man his age. >>> officials at the hospital where the duchess of cambridge was treated are now publicly condemning a prank that happened just days before one of their nurses ended up dead. tonight we have an update on those pranksters. >> fellow nurses left a bouquet of flowers and a note expressing their sorrow outside the building where jacintha's body was found. they sent a letter to the owners of australian radio station condemning the actions of two of its djs. they played a hoax. >> i think it's a terrible shame, catastrophe that she felt she to do something so tragically glad she transferred a pran